Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48698 (1996 HJ20)
Classification: Main-belt Asteroid          SPK-ID: 2048698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08690135347901705 5.1221e-08  
a 2.780773245437371 1.6406e-08 au
q 2.539120286690625 1.4362e-07 au
i 1.697032973219757 4.1158e-06 deg
node 85.3015622711292 0.00019382 deg
peri 272.3044667885009 0.00019538 deg
M 217.7016593814966 2.7557e-05 deg
tp 2459269.990049054444
(2021-Feb-24.49004905)
0.00013236 TDB
period 1693.74018426368
4.64
1.4989e-05
4.104e-08
d
yr
n .2125473572302961 1.8809e-09 deg/d
Q 3.022426204184118 1.7831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      8869 days (24.28 yr)  
   first obs. used      1995-01-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5776  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:08  

Additional Information
 Earth MOID = 1.53471 au 
 Jupiter MOID = 2.36482 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO439424  
diameter diameter 6.392 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.052   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48698 (1996 HJ20)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 HJ20 = 1995 BY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin